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Ensuring deleted data cannot be recovered
I have developed an excel/VBA workbook for processing and displaying
sensitive commercial information. I'd like to use the workbook for a number of clients, but need to ensure that when I pass a "clean" copy to a client, he/she will not be able to recover information "left over" from a previous client's processing. My question is: If I delete information from a worksheet, save under a new name and then email the new version to someone, how do I ensure that the deleted information cannot be recovered at a later date, either using built in tools or specialist data recovery techniques/software? Many thanks for your help. |
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